• Thumbnail for Threshold potential
    electrophysiology, the threshold potential is the critical level to which a membrane potential must be depolarized to initiate an action potential. In neuroscience...
    22 KB (2,818 words) - 03:44, 15 November 2024
  • Thumbnail for Pacemaker potential
    (increases in voltage) to the threshold potential of -40 mV, upon which the cell would go on to fire the next action potential. The rate of depolarization...
    9 KB (1,167 words) - 23:37, 23 March 2025
  • Thumbnail for Graded potential
    postsynaptic potentials (EPSPs). Depolarizing local potentials sum together, and if the voltage reaches the threshold potential, an action potential occurs...
    6 KB (736 words) - 20:34, 27 May 2025
  • Thumbnail for End-plate potential
    membrane potential to depolarize +40mV (100 x 0.4mV = 40mV) from -100mV to -60mV where it reaches threshold. Once the membrane potential reaches threshold, an...
    21 KB (2,781 words) - 23:59, 22 February 2025
  • Thumbnail for Artificial neuron
    often added to a term known as a bias (loosely corresponding to the threshold potential), before being passed through a nonlinear function known as an activation...
    31 KB (3,602 words) - 19:04, 23 May 2025
  • depolarize—the membrane potential must reach a voltage threshold more positive than the resting membrane potential. Therefore, hyperpolarisation of the postsynaptic...
    22 KB (2,705 words) - 04:12, 7 February 2025
  • Thumbnail for Cardiac action potential
    threshold potential) or until it is depolarized by another action potential, coming from a neighboring cell.[citation needed] The pacemaker potential...
    46 KB (5,450 words) - 17:12, 26 May 2025
  • Thumbnail for Action potential
    the threshold potential. At the axon hillock of a typical neuron, the resting potential is around −70 millivolts (mV) and the threshold potential is around...
    149 KB (16,451 words) - 05:32, 8 May 2025
  • Action potential Aerobic threshold Anaerobic threshold Dark adaptation threshold Epidemic threshold Flicker fusion threshold Masking threshold Odor detection...
    4 KB (451 words) - 07:47, 15 March 2025
  • Thumbnail for Electrotonic potential
    action potentials. However, all action potentials are begun by electrotonic potentials depolarizing the membrane above the threshold potential which converts...
    11 KB (1,299 words) - 12:29, 2 March 2024
  • Thumbnail for Excitatory synapse
    from a neuron's resting membrane potential towards its threshold potential, increases the likelihood of an action potential and normally occurs with the influx...
    22 KB (2,547 words) - 13:04, 6 August 2024
  • Thumbnail for Neurotransmission
    enzymes or presynaptic reuptake. In response to a threshold action potential or graded electrical potential, a neurotransmitter is released at the presynaptic...
    23 KB (2,723 words) - 22:55, 26 May 2025
  • motility. In the human enteric nervous system, the slow-wave threshold is the slow-wave potential which must be reached before a slow wave can be propagated...
    10 KB (1,147 words) - 06:50, 16 February 2025
  • Thumbnail for Hyperkalemia
    gluconate) increases threshold potential through a mechanism that is still unclear, thus restoring normal gradient between threshold potential and resting membrane...
    49 KB (5,055 words) - 06:45, 20 April 2025
  • Thumbnail for Sinoatrial node
    as the pacemaker potential. Once the pacemaker potential reaches a set value, the threshold potential, it produces an action potential. Other cells within...
    24 KB (2,810 words) - 17:18, 26 May 2025
  • Thumbnail for Ventricular fibrillation
    of membrane potential. That is, the maximum diastolic potential is less negative and therefore exists closer to the threshold potential. Cellular depolarisation...
    31 KB (3,537 words) - 20:03, 25 May 2025
  • Thumbnail for Biological neuron model
    the fixed threshold, v t h 0 {\displaystyle v_{th0}} , after every spike, causing an adaptation of the threshold. The threshold potential, v t h {\displaystyle...
    115 KB (14,910 words) - 17:56, 22 May 2025
  • Thumbnail for Threshold voltage
    2 ϕ F {\displaystyle 2\phi _{F}} is the surface potential, V T O {\displaystyle V_{TO}} is threshold voltage for zero substrate bias, γ = ( t o x / ϵ...
    13 KB (1,738 words) - 08:37, 24 December 2024
  • Thumbnail for Synaptic potential
    Excitatory post-synaptic potentials (EPSPs) depolarize the membrane and move the potential closer to the threshold for an action potential to be generated. Inhibitory...
    11 KB (1,541 words) - 09:24, 18 September 2023
  • potential is the slow depolarization because of sodium influx, and once threshold has been reached the continued depolarization due to calcium influx. Repolarization...
    2 KB (215 words) - 21:48, 16 March 2024
  • Thumbnail for Neuromuscular-blocking drug
    occur. At this stage, end-plate potentials (EPPs) can still be detected, but are too small to reach the threshold potential needed for activation of muscle...
    60 KB (6,872 words) - 07:06, 6 February 2025
  • Thumbnail for Subthreshold membrane potential oscillations
    membrane potential oscillations are membrane oscillations that do not directly trigger an action potential since they do not reach the necessary threshold for...
    21 KB (2,510 words) - 19:06, 23 May 2025
  • Thumbnail for Summation (neurophysiology)
    individual inputs, summation may or may not reach the threshold voltage to trigger an action potential. Neurotransmitters released from the terminals of a...
    19 KB (2,354 words) - 19:18, 21 May 2025
  • and other factors act on the resting potential and bring it closer to the threshold potential, an action potential is more easily and rapidly obtained...
    7 KB (793 words) - 21:35, 24 July 2024
  • Thumbnail for Membrane potential
    reversal potential below threshold, such as a typical K+ current, is considered inhibitory. A current with a reversal potential above the resting potential, but...
    65 KB (8,286 words) - 04:08, 29 May 2025
  • Thumbnail for Poverty threshold
    The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line...
    62 KB (7,167 words) - 07:36, 9 May 2025
  • Thumbnail for Depolarization
    If the sum of the stimuli reaches a certain voltage, known as the threshold potential, depolarization continues from the axon hillock down the axon. The...
    20 KB (2,406 words) - 05:35, 9 April 2025
  • bring the membrane potential of the sensory receptor towards the threshold for triggering an action potential. Receptor potential can work to trigger...
    3 KB (366 words) - 05:24, 4 April 2023
  • Thumbnail for Myalgic encephalomyelitis/chronic fatigue syndrome
    a clinically significant decrease in work rate at the anaerobic threshold. Potential causes include mitochondrial dysfunction, and issues with the transport...
    110 KB (11,436 words) - 12:49, 28 May 2025
  • Thumbnail for Sputtering
    physical sputtering threshold. Potential sputtering has only been observed for certain target species and requires a minimum potential energy. Removing atoms...
    27 KB (3,315 words) - 15:51, 5 January 2025